Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Holy smokes, this diesel engine is small. It's like holding the power of a reliable Cummins diesel engine in the palm of our hand. Okay, maybe that's a bit of an exaggeration, and sounds a bit too ...

View post: Chevy Built a Corvette ZR1X to Celebrate America’s 250th Birthday An outfit called Angel Labs has come up with the Massive Yet Tiny (MYT) engine, an innovative internal-combustion ...

Since the dawn of the internal combustion engine, the search for power has been paramount in internal combustion engine development and advancements over the years. Ranging in all sorts of different ...

For decades, engineers have used small-displacement engines to prove that raw capacity is not the only path to victory. By pairing compact cylinders with clever breathing, high revs, and forced ...

Allyn started writing for TopSpeed in 2015, but has been writing on motorcycle and automotive topics since 2008 for outlets such as eHow, USAToday, and subsidiaries of MotorTrend. Formally trained as ...

The electric motor might carry the hype banner at the moment, but some minds remain convinced that there's plenty of innovation left to be extracted from internal combustion. AIE is one of the rotary ...